Trouble Shooting - Coby TF-DVD7700 Operating Instructions Manual

Picture is disturbed when playing a DVD
recorded by a VCR.
This player incorporates copyright
protection technology. Some discs include
signals protected against copied by a
VCR. Such recorded discs can not be
played properly.
.
Player cannot be operated with the
remote control unit
Remote control unit is too far from
the main unit or have too large angle
with the remote sensor.
,
Remote control unit s battery is worn
out.
TV or other device operates erroneously
,
The player s remote control unit
may cause some TVs with wireless
remote control to operate erroneously.
No sound is produced from speakers
or sound is distorted
For some discs, 96 kHz digital output
of linear PCM audio signals is
prohibited.
Disc is dirty .
Pause or slow play mode is set.
,
Main unit s volume is set to minimum.
Earphone is plugged in.
Volume is different for DVDs and CDs
This is due to the different recording
methods.

Trouble shooting

No sound is produced or sound is
distorted when connected to a TV ,
a amplifier, etc.
Connection cables are not firmly
plugged in or not contacted well.
Connection plugs or jacks are dirty .
Audio cables are not properly
connected.
Audio digital output is connected to
a non-compatible AV amplifier,etc.
Have wrong DTS setting.
Bad playback quality
The player is set to AV OUT but there
are other AV signals inputted from AV
jack.
Player gets hot
This is normal.
Notes:
The player may stop operation properly
due to static electricity or other external
influences. In this case, usually solve
the problem by unplugging the power
cord and then plugging it in again. If still
can not solve it, consult with the nearest
service center.
Liquid crystal display
A few picture elements may be black or
a particular color displayed on the LCD
screen. This is normal.
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